介
=
人
+
丿
+
丨
:
Mnemonic symbol: 介 looks like a rocket 🚀. Neanderthal Man (人) and Joan of Arc (ji) are preparing a rocket (介) for its start. Between (介) the layers of the outer shell (介) they are stuffing bananas (丿) and dinosaur bones (丨).
蒂
=
艹
+
帝
:
Dorothy Gale (di) is lying on a sheet of artificial lawn (艹) in the space station's bathroom (Ø4), and Caesar (帝) is looking for her cigarette butt (蒂).